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Potassium Hydroxide → 2-Bromo-6-ethyl-pyridine 1-oxide

HRID 1797105
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인쇄 미리보기

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HRID 1797105 반응식
[Br:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([CH2:8][CH3:9])[N:3]=1.[OH-:10].[K+]>C(O)(=O)C>[Br:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([CH2:8][CH3:9])[N+:3]=1[O-:10]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 14797Potassium HydroxideHCID 129548002-Bromo-6-ethylpyridine

생성물 1

HCID 221764442-Bromo-6-ethyl-pyridine 1-oxide수율 100%

시약·촉매·용매 1

HCID 176Acetic Acid용매

반응 조건

온도
50 °C

실험 절차

To a solution of 2-bromo-6-ethyl-pyridine (15.4 g, 82.8 mmol) (S. G. Davies and M. R. Shipton, J. Chem. Soc., Perkin Trans. 1, 1991, 3, 501) in acetic acid (15 ml) peracetic acid (26 ml of a 39% solution) was added maintaining T<50° C. After completed addition the mixture was stirred at 50° C. for 5 hr and then cooled to rt. Crushed ice (40 g) was added and the mixture was made basic (pH 12) using 40% KOH solution. After extraction with CHCl3 (6×60 ml) the combined organic phases were dried (Na2CO3) and evaporated to give 20.0 g (>100%) of the title compound, MS: m/e=201 (M+) as a yellow oil.

후처리

  1. additionaddition the mixture
  2. temperaturecooled to rt
  3. extractionAfter extraction with CHCl3 (6×60 ml) the combined organic phases
  4. dry with materialwere dried (Na2CO3)
  5. customevaporated

출처 및 근거

ORD 기록
ord-b82e9822b2884a798fc6e1064a383bdd
출처 데이터셋
uspto-grants-2006_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07034044B2

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